The Flag of Hiroshima Prefecture, Japan, is a rectangular banner emblematic of the administrative region situated on the southwestern portion of Honshu Island. Its design comprises three equal horizontal stripes in the colors green (top and bottom) and white (middle). A red circular seal representing the city of Hiroshima is centered on the white stripe. The flag, adopted in 1964, embodies the region’s revival following the atomic bombing during World War II. Its color scheme symbolizes the verdant landscapes of Hiroshima Prefecture, with the red seal symbolizing peace and resilience.